Sequence selective dual-emission detection of (i, i + 1) bis-phosphorylated peptide using diazastilbene-type Zn(II)-Dpa chemosensor

Yoshiyuki Ishida; Masa-aki Inoue; Tomonori Inoue; Akio Ojida; Itaru Hamachi

doi:10.1039/B905814A

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Chemical Communications

Issue 20, 2009

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Sequence selective dual-emission detection of (i, i + 1) bis-phosphorylated peptide using diazastilbene-type Zn(II)-Dpa chemosensor

Yoshiyuki Ishida , Masa-aki Inoue , Tomonori Inoue , Akio Ojida and Itaru Hamachi

Chem. Commun., 2009, 2848-2850

DOI: 10.1039/B905814A
Received 23 Mar 2009, Accepted 16 Apr 2009
First published on the web 24 Apr 2009

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Abstract
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This paper describes a new fluorescent chemosensor for phosphorylated peptide, which comprises a rigid trans-4,4′-diazastilbene and two Zn(II)-Dpa (2,2′-dipicolylamine) units; this chemosensor sequence-selectively binds to a (i, i + 1) bis-phosphorylated peptide and displays a dual-emission fluorescence change.

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Supplementary Info

Syntheses and compound characterizations of 1-2Zn(II) and the phosphorylated peptides listed in Table 1.The CD data of 1-2Zn(II)
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Yoshiyuki Ishida
Masa-aki Inoue
Tomonori Inoue
Akio Ojida
Itaru Hamachi

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Chemical Communications

Sequence selective dual-emission detection of (i, i + 1) bis-phosphorylated peptide using diazastilbene-type Zn(II)-Dpa chemosensor

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